<button type="button" name="btn_back" class="button back" onclick="javascript:location.href='<?php echo $this->site['base_url']?>admin_product'">
<span><?php echo Kohana::lang('admin_lang.btn_back')?></span>
</button>
&nbsp;
<button type="reset" name="btn_reset" class="button reset">
<span><?php echo Kohana::lang('admin_lang.btn_reset')?></span>
</button>
&nbsp;
<button type="submit" name="btn_save" class="button save">
<span><?php echo Kohana::lang('admin_lang.btn_save')?></span>
</button>